18202160

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^2\times {\mathrm{103}}^1$

素因数の和:210

約数の個数: 60

約数和(自身を含む): 43659408

約数和(自身を除く): 25457248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 103, 188, 206, 235, 376, 412, 470, 515, 752, 824, 940, 1030, 1648, 1880, 2060, 2209, 3760, 4120, 4418, 4841, 8240, 8836, 9682, 11045, 17672, 19364, 22090, 24205, 35344, 38728, 44180, 48410, 77456, 88360, 96820, 176720, 193640, 227527, 387280, 455054, 910108, 1137635, 1820216, 2275270, 3640432, 4550540, 9101080, 18202160]

約数ペア:

[(1, 18202160), (2, 9101080), (4, 4550540), (5, 3640432), (8, 2275270), (10, 1820216), (16, 1137635), (20, 910108), (40, 455054), (47, 387280), (80, 227527), (94, 193640), (103, 176720), (188, 96820), (206, 88360), (235, 77456), (376, 48410), (412, 44180), (470, 38728), (515, 35344), (752, 24205), (824, 22090), (940, 19364), (1030, 17672), (1648, 11045), (1880, 9682), (2060, 8836), (2209, 8240), (3760, 4841), (4120, 4418)]